The Valtra ACV0146990 is a genuine OEM rear window heater switch designed for a wide range of Valtra agricultural tractors. This essential electrical component ensures proper operation of the rear window heating system, providing clear visibility in adverse conditions. It is compatible with Valtra A3, A4, G, N, T, S, and Q Series models, including A73, A83, A93, A74, A84, A94, A104, A114, A124, A134, G105, G115, G125, G135, N104, N114, N124, N134, N154, N174, T134, T144, T154, T174, T194, T214, T234, T254, S274, S294, S324, S344, S374, S394, Q226, Q246, Q266, Q286, Q306.